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<!DOCTYPE html> <html> <body> <h1>JavaScript Arrays</h1> <h2>The indexOf() Method</h2> <p>indexOf() returns the position of a specified value in an array:</p> <p id="demo"></p> <script> const fruits = ["Banana", "Orange", "Apple", "Mango"]; let index = fruits.indexOf("Apple"); document.getElementById("demo").innerHTML = index; </script> </body> </html>
